I'm using the release version of Firefox 19. The last day or two it's been crashing immediately upon my clicking the start icon. Here are the last five crash reports:
Crash ID: bp-d513e4fe-a398-4fa8-b754-031ee2130228
Crash ID: bp-ae5b521b-1dbb-42d5-b10d-a78eb2130228
Crash ID: bp-c6f9caa9-f282-4331-86bf-b76722130228
Crash ID: bp-d7bd55e1-3779-4314-87f4-99ee82130228
Crash ID: bp-7de2dd0a-43c4-4a23-b0c8-e4d1b2130228

Chosen solution

NVM. Turned out to be the hardware acceleration under the advanced tab. Unchecked that and everything is fine. Sorry to bother you folks.